Abstract: A geopolymer concrete formed by mixing about 3% to about 43% by weight incinerator fly ash, about 3% to about 35% by weight coal fly ash, about 7% to about 38% by weight alkaline activator liquid, and about 31% to about 70% by weight aggregate. The incinerator fly ash may be derived from a solid waste incinerator facility. The alkaline activator liquid may include a sodium hydroxide solution and sodium silicate. The aggregate may include a fine aggregate, such as sand, and a coarse aggregate, such as gravel.
Type:
Grant
Filed:
August 24, 2012
Date of Patent:
October 22, 2013
Assignee:
Louisiana Tech University Research Foundation, a division of Louisiana Tech University Founcation, Inc.
Inventors:
Erez Nissim Allouche, Eleazar Ivan Diaz-Loya